Step-by-step explanation:
answer 2.85 or 57/20 this is because you divide 20/7 and find it is 2.85... and convert frim there
Answer:
D
Step-by-step explanation:
The answer is: " 9a² + 7a " .
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Note: (3a)² + 7a = (3a)*(3a) + 7a = 9a² + 7a .
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